PCF8570P Datasheet PDF - NXP Semiconductors
| Part Number | PCF8570P | |
| Description | 256 x 8-bit static low-voltage RAM with I2C-bus interface | |
| Manufacturers | NXP Semiconductors | |
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There is a preview and PCF8570P download ( pdf file ) link at the bottom of this page. Total 20 Pages | ||
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INTEGRATED CIRCUITS
DATA SHEET
PCF8570
256 × 8-bit static low-voltage RAM
with I2C-bus interface
Product specification
Supersedes data of 1997 Sep 02
File under Integrated Circuits, IC12
1999 Jan 06
|
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Philips Semiconductors
256 × 8-bit static low-voltage RAM with
I2C-bus interface
Product specification
PCF8570
8 CHARACTERISTICS OF THE I2C-BUS
The I2C-bus is for bidirectional, two-line communication
between different ICs or modules. The two lines are a
serial data line (SDA) and a serial clock line (SCL). Both
lines must be connected to a positive supply via a pull-up
resistor. Data transfer may be initiated only when the bus
is not busy.
8.1 Bit transfer
One data bit is transferred during each clock pulse.
The data on the SDA line must remain stable during the
HIGH period of the clock pulse as changes in the data line
at this time will be interpreted as a control signal.
SDA
SCL
data line
stable;
data valid
change
of data
allowed
MBA607
Fig.3 Bit transfer.
8.2 Start and stop conditions
Both data and clock lines remain HIGH when the bus is not busy. A HIGH-to-LOW transition of the data line, while the
clock is HIGH is defined as the start condition (S). A LOW-to-HIGH transition of the data line while the clock is HIGH is
defined as the stop condition (P).
SDA
SCL
S
START condition
SDA
SCL
P
STOP condition
MBA608
Fig.4 Definition of start and stop conditions.
1999 Jan 06
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for PCF8570P electronic component. |
| Information | Total 20 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ PCF8570P.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| PCF8570 | The function is 256 x 8-bit static low-voltage RAM with I2C-bus interface. NXP Semiconductors | |
| PCF8570C | The function is 128 x 8 Bit / 256 x 8 Bit Static Ram with IC Bus Interface. Philips |  |
| PCF8570P | The function is 256 x 8-bit static low-voltage RAM with I2C-bus interface. NXP Semiconductors | |
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